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/*
* Copyright 2014-2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.net.device;
import org.joda.time.LocalDateTime;
import org.onosproject.event.AbstractEvent;
import org.onosproject.net.Device;
import org.onosproject.net.Port;
import static com.google.common.base.MoreObjects.toStringHelper;
/**
* Describes infrastructure device event.
*/
public class DeviceEvent extends AbstractEvent<DeviceEvent.Type, Device> {
private final Port port;
/**
* Type of device events.
*/
public enum Type {
/**
* Signifies that a new device has been detected.
*/
DEVICE_ADDED,
/**
* Signifies that some device attributes have changed; excludes
* availability changes.
*/
DEVICE_UPDATED,
/**
* Signifies that a device has been removed.
*/
DEVICE_REMOVED,
/**
* Signifies that a device has been administratively suspended.
*/
DEVICE_SUSPENDED,
/**
* Signifies that a device has come online or has gone offline.
*/
DEVICE_AVAILABILITY_CHANGED,
/**
* Signifies that a port has been added.
*/
PORT_ADDED,
/**
* Signifies that a port has been updated.
*/
PORT_UPDATED,
/**
* Signifies that a port has been removed.
*/
PORT_REMOVED,
/**
* Signifies that port statistics has been updated.
*/
PORT_STATS_UPDATED
}
/**
* Creates an event of a given type and for the specified device and the
* current time.
*
* @param type device event type
* @param device event device subject
*/
public DeviceEvent(Type type, Device device) {
this(type, device, null);
}
/**
* Creates an event of a given type and for the specified device, port
* and the current time.
*
* @param type device event type
* @param device event device subject
* @param port optional port subject
*/
public DeviceEvent(Type type, Device device, Port port) {
super(type, device);
this.port = port;
}
/**
* Creates an event of a given type and for the specified device and time.
*
* @param type device event type
* @param device event device subject
* @param port optional port subject
* @param time occurrence time
*/
public DeviceEvent(Type type, Device device, Port port, long time) {
super(type, device, time);
this.port = port;
}
/**
* Returns the port subject.
*
* @return port subject or null if the event is not port specific.
*/
public Port port() {
return port;
}
@Override
public String toString() {
if (port == null) {
return super.toString();
}
return toStringHelper(this)
.add("time", new LocalDateTime(time()))
.add("type", type())
.add("subject", subject())
.add("port", port)
.toString();
}
}
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